W3School TIY
编辑您的代码：
<html> <head> <script type="text/javascript"> function showTabIndex() { var email=document.getElementById('email').tabIndex; var pwd=document.getElementById('pwd').tabIndex; document.write("Tab index of email field: " + email); document.write("<br />"); document.write("Tab index of password field: " + pwd); } </script> </head> <body> <form> Email: <input type="text" id="email" tabindex="1" /> <br /> Password: <input type="password" id="pwd" tabindex="2" /> <br /> <input type="button" onclick="showTabIndex()" value="Show tabIndex" /> </form> </body> </html>
查看结果: